tracking down-converter

Observation & Telecommunication
TRACKING DOWN-CONVERTER
DTC xx – OUTDOOR CONFIGURATION
1
Main features
Internal synthesizer
Low gain / phase shift
Status monitors
Summary alarm
RS-232 or RS-485 or Ethernet M & C
CE compliance
Head office
14, place Marcel Dassault - BP 70048 - 31702 BLAGNAC Cedex
France (T) + 33 (0)5 34 36 10 00 - (F) + 33 (0)5 34 36 10 01
www.elta.fr
Toulouse office (Space activities)
22, rue des cosmonautes - 31 400 Toulouse - France
(T) + 33 (0)5 61 54 14 54 - (F) + 33 (0)5 61 54 78 25
ELTA © all rights reserved – This document is the property of ELTA and shall not be reproduced or communicated to a third party without its prior autorisation.
TRACKING DOWN-CONVERTER
SPECIFICATIONS OF DTCxx
INPUT
Input frequency
Other bandwidths available on request
OUTPUT
C-Band : 3.40 – 4.20 GHz
X-Band : 8.00 – 8.50 GHz
Ku-Band : 10.70 – 12.75 GHz
Output frequency
70 MHz
Dual conversion
Bandwidth at 3 dB
> 20 MHz
Type
First local oscillator by internal synthesizer
Tunability
Frequency sense
No inversion
100 Hz : 70 dBc/Hz
1 kHz – 30 kHz : 80 dBc/Hz
100 kHz : 95 dBc/Hz
Phase noise (dBc/Hz)
Noise figure
20 dB min.
Impedance
50 Ω
Connector
Type N or SMA
Gain
30 dB nom.
Gain adjustment
±3 dB min.
Output signal level
at 1 dB compression
0 dBm min
VSWR input/output
1.3 : 1 max – 50 Ω
Spurious outputs
Input port : -80 dBm (LO inc.)
Output port : 50 dBc
Image rejection
60 dBc min.
Channel-to-channel
isolation
60 dB min.
Channel-to-channel
gain tracking
±1 dB/day (at constant temperature)
Channel-to-channel
phase tracking
±2°/day (at constant temperature)
Frequency stability
External reference
Input connector
N female or SMA
Output connector
N female
MONITORING & CONTROL
Interfaces
RS-232/RS-422/ RS-485/Ethernet (std)
OPTIONS
01.Three channels (Σ, X, Y)
02.Other input bandwidths
POWER SUPPLY
DIMENSIONS
Voltage
230 V ±10 %
Frequency
48 to 62 Hz
Power consumption
330 * 300 * 128 mm
Weight : < 15 kg
Drawer
400 VA max.
ENVIRONMENTAL CONDITIONS
RELIABILITY
Temperature
Operating : -30°C to +50°C
Non-operating : -40°C to +65°C
MTBF
35 000 hours
Humidity
Operating : up to 100 % at 30° C
Non-operating : up to 100 % at 40° C
MTTR
2 hours with a full set of spares
Head office
14, place Marcel Dassault - BP 70048 - 31702 BLAGNAC Cedex
France (T) + 33 (0)5 34 36 10 00 - (F) + 33 (0)5 34 36 10 01
www.elta.fr
Toulouse office (Space activities)
22, rue des cosmonautes - 31 400 Toulouse - France
(T) + 33 (0)5 61 54 14 54 - (F) + 33 (0)5 61 54 78 25
ELTA © all rights reserved – This document is the property of ELTA and shall not be reproduced or communicated to a third party without its prior autorisation.